Backend Developer - Deadline 19/03/26

Confidential

Brussels, Brussels, Belgium permanent

Posted: March 11, 2026

Required Skills

Job Description

Development of back-end website applications.

Integration of user-facing elements developed by a front-end developer with server-side logic.

Implement core business logic.

Creation of servers and databases for functionality.

Design and implementation of data storage solutions.

Understanding and implementation of security and data protection.

Optimization of the application for maximum speed and scalability.

Design and develop APIs.

Participating in the design and creation of scalable software.

Taking lead on projects, as needed.

Maintenance of code integrity and organisation.

Writing clean, functional code on the back end .

Compile and analyse data, processes, and codes to troubleshoot problems and identify areas for improvement.

Testing and fixing bugs or other coding issues

Meet both technical and consumer needs.

Write technical documentation.

LEVEL OF DOCUMENTS: Bachelor or Master Degree

KNOWLEDGE AND SKILLS:

• Proficiency with back-end languages and frameworks such as Java8+.

• Knowledge of front-end languages and frameworks such as JavaScript, TypeScript, HTML, CSS, Angular is a plus.

• Proficiency with Java frameworks Spring, Spring Boot and Hibernate.

• Proficiency with RDBMS database technology such as Oracle.

• Proficiency with SOAP Webservices and REST APIs.

• Knowledge of messaging systems suck as JMS, Kafka and ActiveMQ

• Familiarity with NoSQL databases is a plus.

• Knowledge of code versioning tools such as Git.

• Knowledge of Continuous Integration & Deployment suites such as Bamboo.

• Knowledge of Java application server WebLogic covering configuring domains, deploying and running applications on these servers.

• Knowledge of containerization technologies (e.g. Docker).

• Familiarity with container orchestration tools (e.g. Kubernetes) isa plus Following skills are required for the performance of the above listed tasks:

• Autonomous

• Strong organizationaland time-management skills.

• Attention to details.

• Good problem-solving skills.

SPECIFIC EXPERTISE:

Experience in Java8+, Spring, Spring Boot, Java EE

Experience in OpenID Connect integration.

Experience in SSO.

Experience in Cloud development with Amazon web services.

Knowledge on API GW configuration with OAuth 2.

Knowledge on Oracle WebLogic Server, Apache, Nginx.

Knowledge on SSL/TLS Protocol configuration in applicationservers.

Knowledge on reverse proxy configuration

Experience in Kafka and JMS.

Experience in Oracle DB.

Experience with REST and SOAP services.

Knowledge on CI/CD pipelines.

Knowledge of development, building and deployment of micro services.

Experience with tools for web services testing (SOAPUI, ReadyAPI, Postman)

Level 8

Delivery mode: Near Site (Brussels)

Deadline : 19/03/26

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